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dc.contributor.authorChen, H. F.zh_CN
dc.contributor.authorWang, N. L.zh_CN
dc.contributor.authorSun, H. L.zh_CN
dc.contributor.authorYang, B. F.zh_CN
dc.contributor.authorYao, X. S.zh_CN
dc.identifier.citationJournal of Asian Natural Products Research,8(1-2):21-28zh_CN
dc.description.abstractChemical reinvestigation of the ethanol extract of the dried bulbs of Allium macrostemon B. led to the isolation of two novel furostanol saponins, named macrostemonoside M (1) and macrostemonoside N (2), together with six known saponins. The structures of new compounds were elucidated on the basis of extensive spectroscopic analysis including 1D and 2D NMR as (25 R )-22-hydroxy-5 beta-furostane-1 beta,2 beta,3 beta,6 alpha-tetraol-26- O -beta-d-glucopyranoside and 22-hydroxy-5 beta-furost-25-(27)-ene-1 beta,2 beta,3 beta,6 alpha-tetraol-26- O -beta-d-glucopyranoside, respectively. The pharmacological activities of all the saponins on [Ca2+](i) increase induced by KCl were evaluated.zh_CN
dc.subjectAllium macrostemon Bzh_CN
dc.subjectnovel furostanol saponinszh_CN
dc.subjectmacrostemonoside Mzh_CN
dc.subjectmacrostemonoside Nzh_CN
dc.subject[Ca2+](i) increasezh_CN
dc.titleNovel furostanol saponins from the bulbs of Allium macrostemon B and their bioactivity on Ca2+ (i) increase induced by KClzh_CN

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